Home / 326,445.90-450,782.62-204,147.95

Finding the Fourth Proportional to 326,445.90, 450,782.62 and 204,147.95

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Solution

The fourth proportional to 326,445.90, 450,782.62 and 204,147.95 is: 281,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,445.90 : 450,782.62 = 204,147.95 : x
  2. Step 2: Convert to fraction form
    326,445.90/450,782.62 = 204,147.95/x
  3. Step 3: Cross multiply
    326,445.90x = 450,782.62 × 204,147.95
  4. Step 4: Simplify right side
    326,445.90x = 92,026,345,004.35
  5. Step 5: Solve for x
    x = 92,026,345,004.35/326,445.90
  6. Step 6: Final answer
    x = 281,903.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.